| TUCKER, Andrew James ACTIVE | Secretary | 01 Nov 2025 | | | | 15, Oakfield Road, Selly Park, Birmingham, B29 7HH, England |
| BOSCH, Xavier ACTIVE | Director | 23 Sep 2016 | | England | January 1964 | 18a Netherhall Gardens, London, NW3 5TH |
| CURTIS, Andrew James, Dr ACTIVE | Director | 12 Sep 1993 | | United Kingdom | July 1964 | 159 Nightingale Lane, London, SW12 8NQ |
| HEGARTY, Andrew Joseph ACTIVE | Director | | | England | June 1954 | 4, Orme Court, London, W2 4RL, England |
| ROSALES ARAQUE, Raul ACTIVE | Director | 26 Oct 2023 | | England | November 1963 | 18a Netherhall Gardens, 18a, Netherhall Gardens, London, London, NW3 5TH, United Kingdom |
| THOMPSON, Edward Allen Victor ACTIVE | Director | 16 Mar 2020 | | England | October 1948 | 18a Netherhall Gardens, London, NW3 5TH |
| TRUST, Howard Bailey ACTIVE | Director | 25 Jan 2024 | | England | October 1954 | 18a Netherhall Gardens, London, NW3 5TH |
| VALERO, Jack ACTIVE | Director | | | United Kingdom | June 1959 | 6 Orme Court, London, W2 4RL |
| BOYLE, John Joseph RESIGNED | Secretary | | 20 Nov 1992 | | | Netherhall House Nutley Terrace, London, NW3 5SA |
| COVENDEN, John Paul RESIGNED | Secretary | 03 Jan 2018 | 01 Dec 2025 | | | 18a Netherhall Gardens, London, NW3 5TH |
| CURTIS, Andrew James, Dr RESIGNED | Secretary | 07 Dec 1992 | 22 Jul 2003 | | | 159 Nightingale Lane, London, SW12 8NQ |
| MIRABAL, James Maurice RESIGNED | Secretary | 22 Jul 2003 | 03 Jan 2018 | | | Grandpont House, Oxford, OX1 4LD |
| ADAMS, Peter RESIGNED | Director | | 26 Apr 2004 | England | December 1944 | 6 Orme Court, London, W2 4RL |
| COBB, Clifford George RESIGNED | Director | 16 Jun 1998 | 16 Mar 2020 | United Kingdom | December 1956 | 159 Nightingale Lane, London, SW12 8NQ |
| HENRY, John, Prof RESIGNED | Director | | 08 May 2007 | | March 1939 | 18 Netherall Gardens, London, NW3 5TH |
| MASCARENHAS, Ives Luis Xavier RESIGNED | Director | | 12 Sep 1993 | England | January 1946 | 6 Orme Court, London, W2 4RL |
| MIRABAL, James Maurice RESIGNED | Director | | 08 Oct 2021 | United Kingdom | November 1951 | Grandpont House, Oxford, OX1 4LD |
| PICKERING, Joseph Neil RESIGNED | Director | | 19 Sep 2016 | United Kingdom | December 1948 | 4, Orme Court, London, W2 4RL, England |
| TUCKER, Andrew RESIGNED | Director | 02 Mar 2017 | 29 May 2025 | England | December 1979 | 18a Netherhall Gardens, London, NW3 5TH |
| WALKER, Adam James RESIGNED | Director | 28 Jan 2008 | 15 Dec 2016 | England | November 1971 | 114 Cambridge Road, Blundellsands, Liverpool, L23 7UA |